A train of length 200 m traveling at `30 ms ^(-1)` overtakes another train of length 300 m traveling at `20 ms ^(-1).` The time taken by the first train to pass the second is

A car 2 m long travelling at 30 ms^(-1) overtakes another car 4 m long travelling at 20 ms^(-1) . The time taken by the first car to pass the second car is

A car 2 m long travelling at 30 ms^(-1) overtakes another car 4 m long travelling at 20 ms^(-1) . The time taken by the first car to pass the second car is

A train of length 100m travelling at 50m/s overtakes another train of length 200m moving at 30m/s. The time taken by the first train to overtake the second is (A) 5 sec (B) 10sec(C)15sec(D)20sec

A train 100 m long travelling at 40 ms^(-1) starts overtaking another train 200 m long travelling at 30 ms^(-1) . The time taken by the forst train to pass the second train comletely is .

A train 100 m long travelling at 40 ms^(-1) starts overtaking another train 200 m long travelling at 30 ms^(-1) . The time taken by the forst train to pass the second train comletely is .

A train of 100 m long travelling at 40 m/s starts overtaking another train 200 m long travelling at 30 m/s . The time taken by the first train to pass the second train completely is

A train 100m long travelling at 40 m/s starts overtaking another train 200 m long travelling at 30m/s in the same direction. The time taken by the first train to pass the second train completely is :